package com.mall.order.biz.handler;

import com.mall.commons.tool.exception.BizException;
import com.mall.order.biz.context.CreateOrderContext;
import com.mall.order.biz.context.TransHandlerContext;
import com.mall.order.constant.OrderRetCode;
import com.mall.shopping.ICartService;
import com.mall.shopping.dto.ClearCartItemRequest;
import com.mall.shopping.dto.ClearCartItemResponse;
import lombok.extern.slf4j.Slf4j;
import org.apache.dubbo.config.annotation.Reference;
import org.redisson.api.RMap;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;

/**
 *
 * 将购物车中的缓存失效
 */
@Slf4j
@Component
public class ClearCartItemHandler extends AbstractTransHandler {


    @Autowired
    RedissonClient redissonClient;
    
    //是否采用异步方式执行
    @Override
    public boolean isAsync() {
        return false;
    }

    /** 
     * @description: 
     * @param: 清空redis里面已经下单的商品
     * @return:
     * @author zhizhuke
     * @date: 2022-01-20 16:37
     */ 
    @Override
    public boolean handle(TransHandlerContext context) {
        CreateOrderContext orderContext = (CreateOrderContext) context;
        RMap<Object, Object> cart = redissonClient.getMap(""+orderContext.getUserId());
        List<Long> buyProductIds = orderContext.getBuyProductIds();
        for (Long buyProductId : buyProductIds) {
            cart.remove(buyProductId);
        }
        return true;
    }
}
